Sliver Gravemother All for one, one for all The Legend rule is the thing that stops you from copying your legendary creatures willy-nilly, because you can only have one in play at any given time
(Don't actually do that last one
Historic Historic is a term that refers to artifacts, Sagas, and anything with the legendary supertype, all of which you'll find in abundance in this set
Theres something cool about generating large black Zombie Warrior tokens in a mono-white deck, but practically speaking, its nice to be able to diversify your colors in case a creature attacking you has protection from white (granted by Sword of Hearth and Home, for instance)
WHITE LOTUS TILE While a bit more specific than the above card, this card can generate some easy mana in kindred decks where you field a lot of creatures